A. It is used to preserve yogurt and milk B. It was developed by Louis Pasteur. C. It involves heating the substance at high temperature for just few sec. D. It can be used to preserve vegetables and meat.

A. Older sediment layers have equal amount of these radioactive isotopes as that of the young ones B. Older sediment layers have less amount of these radioactive isotopes as that of the young ones. C. Older sediment layers have greater…

A. Concentration of water molecules inside and outside the cell B. Concentration of enzymes on either side of the cell membrane C. Rate of molecular motion on either side of the cell membrane D. None of these